How to get the HDR look
There are many tools you can use to achieve the HDR look; we used Photoshop. There are some who love a heavily processed HDR effect, but we prefer a more modest approach.
After opening Photoshop go to File > Automate > Merge To HDR Pro… then click on Browse and select your three images. They will open into a new window, where you can tweak the effect. We selected a preset option (Surrealistic) as a starting point; then we boosted Highlights to 100 and reduced Strength and Radius under the Edge Glow setting. Play around with the settings until you’re happy and click OK. We then processed the correctly exposed image in Camera Raw, boosting Clarity and reducing Highlights. In Photoshop we placed this image over our HDR-processed one and reduced Opacity to 65%. This gave us a gritty effect without it being too strong.